Research Article

Optimization of Inulinase Production from Garlic by Streptomyces sp. in Solid State Fermentation Using Statistical Designs

Table 2

Plackett-Burman experimental design matrix for screening of important variables for inulinase production.

Run no.ABCDEFGHJKLMNOPQRSInulinase activity (U/g dry substrate)

11−1 1−1 1 1 1 1−1−1 1 1−1 1 1−1−1−127.21
21−1 1 1 1 1−1−1 1 1−1 1 1−1−1−1−1 149.34
3−1−1−1−1 1−1 1−1 1 1 1 1−1−1 1 1−1 152.97
4−1−1−1−1−1−1−1−1−1−1−1−1−1−1−1−1−1−115.02
5−1−1−1 1−1 1−1 1 1 1 1−1−1 1 1−1 1 122.83
6 1 1−1 1 1−1−1−1−1 1−1 1−1 1 1 1 1−127.66
7−1−1 1 1−1 1 1−1−1−1−1 1−1 1−1 1 1 115.20
8−1 1−1 1 1 1 1−1−1 1 1−1 1 1−1−1−1−128.78
91−1−1−1−1 1−1 1−1 1 1 1 1−1−1 1 1−120.24
10−1 1−1 1−1 1 1 1 1−1−1 1 1−1 1 1−1−114.88
111−1 1 1−1−1−1−1 1−1 1−1 1 1 1 1−1−121.16
12−1 1 1 1 1−1−1 1 1−1 1 1−1−1−1−1 1−130.90
131 1 1−1−1 1 1−1 1 1−1−1−1−1 1−1 1−150.19
141 1−1−1 1 1−1 1 1−1−1−1−1 1−1 1−1 110.33
151−1−1 1 1−1 1 1−1−1−1−1 1−1 1−1 1 111.93
161 1 1 1−1−1 1 1−1 1 1−1−1−1−1 1−1 111.23
17−1−1 1−1 1−1 1 1 1 1−1−11 1−1 1 1−145.40
18 1 1−1−1−1−1 1−1 1−1 1 11 1−1−1 1 116.32
19−1 1 1−1−1−1−1 1−1 1−1 11 1 1−1−1 141.36
20−1 1 1−1 1 1−1−1−1−1 1−11−1 1 1 1 145.99